This fits your.Make sure this fits by entering your model number. HIGH QUALITY PARTS- 20'' X 4.0'' Fat Tire for All Terrain. Tire size: 20 * 4.0”, Anti-skidding, adapt to snow, sand and other plex topography. Inner tube: 20×4.0/4.9. Front and Rear Disc Brakes, riding is safer. Outage braking system and Mechanical braking system, work along both lines, provide security for your trip. Battery lock and power lock function. Multi-function LCD operating system, you can charge the mobile phone, and the battery remaining and speed can be displayed at a glance. 4 WORKING MODES- A powerful and cost-effective mountain e-bike. 1. Pedal Assist Mode: The motor will assist you with a moderate amount of power as you pedal the bicycle. 2. Fully Electric Mode: Twist the throttle in any increments of power you desire to power the motor of the bicycle. 3. Pedal Mode: Pedal the bicycle normally as you would any bicycle. 4. Booster Mode: The Ebike will travel at 6 km/h (3.73miles/h), easy to push. Combining the four modes would be a better choice. SPECIFICATION- 48V/13AH removable Lithium battery. 500W brushless rear geared motor, more driving power, more powerful, and less effort to climb up the slope. Bike weight: 29.8 kg (65.7 LB). Lightweight aluminum frame. Charging time: 6-8 hours. Distance Per Charge：23-28 miles (Electric Only). S900 LCD display panel, 48V Power display, five speed cycle display, 6KM cruise at constant speed, Speed limit can be set, One key repair function. LARGE-CAPACITY REMOVABLE BATTERY- Using a 48V 13Ah lithium-ion battery, a single charge can meet the needs of a day's travel, achieving a real long battery life. Multiple protection, larger capacity, fast speed up, stable and strong battery output. The battery is removable, so you can take it to your home or office to recharge. SUPPLEMENTAL INSTRUCTION- We provide technical support at any time. Each bike es with a 18 months warranty against manufacturing defects in materials or workmanship on its frame, battery, motor, controller, and display. Original Batteries are warranted to be free from defects in material or workmanship for a period of 18 months from the date of purchase as follows: full replacement during the first 12 months, while replacements needed during months 13-24 are prorated as per this schedule.